Guenther, Ernest <br/><br/>
Essential oils 

 - New York:   D Van Nosyrand Company, Inc.,   1948 
<br/><br/> Vol. 1 (History-orogin in plants production- analysis); viii, 427p.<br/>Vol. 4 (Individual essential oils of the plant...); xiv, 752p. 
<br/><br/><label>Universal Decimal Class. No.: </label>668.5  / J2